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Rank-1 preserving linear maps on nest algebras

โœ Scribed by Jinchuan Hou; Jianlian Cui


Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
160 KB
Volume
369
Category
Article
ISSN
0024-3795

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โœฆ Synopsis


In this paper, we characterize rank-1 preserving linear maps between nest algebras acting on real or complex Banach spaces. As applications, we show that every weakly continuous and surjective local automorphism (or, anti-automorphism) on a nest algebra with an additional property is either an automorphism or an anti-automorphism; furthermore, every weakly continuous and surjective local inner automorphism on such nest algebras is in fact an inner automorphism.


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Let M n be the algebra of all n ร— n complex matrices and P n the set of all idempotents in M n . Suppose ฯ† : M n โ†’ M n is a surjective map satisfying A -ฮปB โˆˆ P n if and only if